Fuel filter – code: MC35-8M0090809 – Mercury

Mercury fuel filter MC35-8M0090809

The Mercury fuel filter with code MC35-8M0090809 (reference 8M0090809) is a inline fuel filter designed for installation under the hood for specific Mercury outboard engines. It is a spare part designed for the regular maintenance of the fuel system, aiming to help keep the fuel circuit cleaner and reduce the passage of impurities from the tank to the engine.

In the nautical field, fuel quality and the presence of residues in the tank can affect the operation of the fuel system. For this reason, periodic replacement of the filter is a recommended practice within the maintenance plans provided by the manufacturer.

Spare part features and details

Codes and identification

• Product code: MC35-8M0090809
• Filter reference: 8M0090809
• Type: inline fuel filter
• Installation position: under the hood (depending on the applications provided)

Fuel filter function

The filter is intended for intercept debris and impurities present in the fuel, helping to prevent them from reaching sensitive components of the fuel system. A filter in good condition helps maintain a more regular fuel flow and limits the buildup of contaminants in the circuit.

Replacement compliant with manufacturer specifications

The product is indicated as made to meet the original Mercury Marine specifications, for use on Mercury and Mariner outboard or MerCruiser sterndrive engines, according to the compatible applications provided. For a correct choice, it is always advisable to check the engine code and manual.

Applications (indicated compatible engines)

The inline fuel filter 8M0090809 is intended for installation under the hood on Mercury engines and engine families listed below (as per available indications). Compatibility may depend on version and serial numbers: for confirmation, refer to the owner's manual or at service manual.

EFI FourStroke and ProXS Outboards

• ProXS 2.1L EFI FourStroke from 75-115 HP (2B094996 and above)
• 150 HP EFI Four Stroke (1B905505 and above)
• For some EFI FourStroke outboards from 75-150 HP

Mercury Racing

• 150R and 200R 3.4L V6 (3B547096 and above)
• 250R and 300R 4.6L V8 (1E080500 and above)
• Outboard 150R, 200R, 250R and 300R Mercury Racing (as indicated)

Verado and V6/V8 families

• 200-400 HP L6 Verado (2B141124 & 3B342962)
• 175-300 HP 3.4L V6 and 4.6L V8 and Verado (2B529482 and above)
• Verado V10 5.7L from 350-425 HP (Series 3B26064-UP)
• Verado V12 7.6L from 500-600 HP (3B060047 and above)

Maintenance advantages

This fuel filter is a typical component of scheduled maintenance and can be useful for those who want to keep the fuel system in proper condition over time, especially in usage contexts where fuel quality or the presence of residues in the tank may vary.

• Reduction of debris passage from the tank to the engine, according to the component's intended function.
• Replacement identifiable by code (MC35-8M0090809 / 8M0090809), useful for comparison and reorder.
• Indication of compliance with Mercury Marine specifications, for use consistent with the intended applications.
• Practical solution for seasonal maintenance or according to the manual's instructions, without making changes to the system.

Usage and operational notes

When to replace the filter

It is recommended to replace the filter once per season or as advised by the engine's user manual based on the conditions and intensity of use. If in doubt about the correct frequency, follow the manufacturer's instructions and the maintenance schedule provided for your model.

Check compatibility before purchase

To avoid supply errors, always check:

• Spare part code printed on the component to be replaced or in the technical documentation.
• Engine model and serial number (when specified in the application notes).
• Any specific indications in the owner's manual or in the service manual.

Installation

The filter is intended for installation under the hood on compatible engines. For correct and safe installation, follow the procedures provided by the manufacturer and the manual's instructions. If unsure about the procedure, it is advisable to consult qualified personnel.

FAQ – Frequently Asked Questions

What is the Mercury fuel filter code on this sheet?

The filter is identified by code MC35-8M0090809, with reference 8M0090809.

Where is the 8M0090809 fuel filter installed?

It is intended for installation under the hood, inline on the fuel circuit, on compatible engines.

How often should this fuel filter be replaced?

Replacement is recommended once per season or as indicated in the owner's manual, depending on engine use.

With which engines is the 8M0090809 filter compatible?

It is indicated for specific Mercury families, including some EFI FourStroke/ProXS versions, L6 Verado, V6/V8 and Verado V10/V12, as well as Mercury Racing models (150R, 200R, 250R, 300R) as reported in the description. Compatibility must be verified with model and serial number.

How do I check if it is the right spare part for my engine?

Compare the spare part code (MC35-8M0090809 / 8M0090809) with the one on the component or in the engine documentation and verify model and serial number by consulting the owner's manual or service manual.